Machine for forming paper tubes or cores.



J. A. BLANN. y MACHINE FOR FORMING PAPER TUBES 0R COHES.

lAPPLlcATloN FILED Nov. 3o, |911. 1,280,647.

#Tron/vsn J. A. BLANN.

MACHINE FOR FORMING PAPER TUBES 0R COREIS.`

'4 SHEETS-suur a.

Patentd oct. 8, 19m

APPLICATION FILED Nov. 30. |911.

INVLN Tdi? RTToRNc-Y Specit PPliQatlP; `file l I l if M v 4 l E l all :whom itmajr/ onoerm y L Fig. 9 1e a top plan of the female divi-5111. T e 1t known that. I, JiilssgiA,V 1.53% af port1ngbed.

e1t1zen of `the United' States, of Aiiiejrien,

@tion o' Lettesatent. Paten-ted 0cm L 19t 8'.

, Fig. 10 1S a pla-n of the detzwhed Munic il? and resdentof Phoenix, in; the county of for forming the tnbuleneere.

Oswego, in the State of-NewA Yogi@ have, Figyll a perspective View of ille' nom invented 119W and useful.; IIIDAOVEXHQIHSLV.. Rltd tubular core ns1' un 'article 'oi' i 5inin Machines for 14`o`11yning`i-,Iatp`epTujor fe'etine; l Cores, ofwhich the followngfgtakenin on 'AS illust'rated,` this ,machine v1 hi1`yiis n. (te necton vwith the accompanying difatti "g 'ein' supporting frame --'1.-' upon which is 10 .is a full, clear, and exact deseritioi.' iounted 'mechanism or cutting :md :forum This inventionpelates t0 ceriniii'k'ilhjroye-L ing the blanks for the tubular efn'eil.- :i veel ments in mechne for` foriningpaperitbe s p'n "which 'the roll of paper from fwh oljoe's in whichn'papr of s`1 1 it'g"'le"qu\'lityl he blanks ,4 are' made. mechansm'io iiii @i3 and1 stiffness is nnwoilndfionii 'ollndcut "`fe`eding the'l paper flfonrfseii livel 15 into the desired lengtli` and each lengthwto the blank-Cutting and forming'meehawound 11 )on itself md the "enten` endinterlnism, additional mechanism for centmioisly lo'eked with tlie"n1ain body to caueethetube" feeding the blanks from Said euttingimd fiori :L givnfperiod of'tilne, and lso'to'inpleted tubes from the Winding mem ereeethe rigidity and "symmetry of the said mechanisms being opemtedn l l l 4 k; v

'r 4 biilar'eoe'. Y f .y nism from the single source of wwe l 'fm "otlirv odglhsxvelsought to render The supporting frame-i1- nlnpled to mqtlie n n of feeding the papeithrough rest upon the floor to suppoit Venetie meghm l", i1 'chine eontiiinonsi as distinguished: `nisms at e height moet convenient i: the

intermittentfeed, in order to leoperetoif'and is provided will l a, iniin'u-in the impairment of the tially horizontal plate #l2-r 1 8e ilting'ixoni the sudden stopping standing brackets for 1e g'of'seh' intermittently ope-rating suppotir'iig` n. suloet ieehhnism. .ltherebynot onlwinf.: Q leedzxptedte l f .1 I ng provided with@ #3e ther ebjeete and us helating tesine-pille diiey 4miete niet/ev 3g pm?t"s"of"the inc'l-iinenyvillfbe bnought o1it; 'in' 1e b lax the `followingdeeeription. l In the'dmWnge` t s l 'f n iFi refl is'a topgplan oie paperftube Ai' 'u 9e :tiel length of-"th ller .necessary to provide any means for' cuuing the edges of the blank.

Each-blank, as Ali Fig. l0, is of Sullioent 'length to forni two ory more turnsor eonvolutions in lproducing a tube of given .,dizfaneter. the thickness of' the blanks and .number of turns depending upon the dtiffness required in the 'tubet said blank being out soaa to prod une' integral means for locking the outer end to the main body, the locking means. 'illustrated consist-ing in formi-ng Said mainbody with a 'lf-'shaped 'opening and-"a- 'correspondi'n g4 Tfshaped tongue '-g-u/eat one end of the blank, theoppos'i'te end being out at right angles to the longitudinal' edges. l

The headofthe 'f1-shaped' opening *4ais somewhat longer than' that of' the' tongue ---a"- -so as -to 'allow the headof the tongue to 4readily enter lthe head of the opening.l the tendeney'o'the -tube tofexpand' after' being 'rolled causingthe ','Stein `of the' T-shaped headv to slide. in *,thej-.Slotof the i Vinterljoek With .thepo'rtions 4ofthe main body .atfoppositei-sides of the' stern. of vt-hie openx Inord'er thatthetongue -'-.a may readationotroliing the' tubelin a mannerherein- The means -for forming the blanks coinprises two Sets of dies #8eand '-9- and ...shearing members .-10-6, oneset. as -8-,

'xor forx'ningrv the opening --afand the other set for fol-'mn the tongue -a-'and adjaeent tapered ege's'of theA main body. `While the Shearing n'lelnbe'rs -107 serve to sever the' blank from the main body -along a line at right angles to the longitudinal strip. as

, shown in Fig-10.

. The female dies and one ofthe shearing :members preferably consist of hardened 9. .and are, therefore. stationary, while the finale' dies. and the other. shearing blade are also ni'ad'e of hardeiwd eteeland secured. to the under side of a' vertically moving plun# ger: F 2 and 8.

Thie plunger gui led anupiight 'housing or nave ell-,- rising from the bed firvand formixi'g u part of the'rnain Sup ,l

porting fra1ne,'the opposite sides of said housing being extended some distance amore the main body of the plun er and are eonneeted at, the top bya cross )ar -15--. l

h ie cross bar is provided with. a central opening for reeeiving the stein bl 3-- of the plunger, which stem extends some' dien The loiver and upper endsof the stein --13- are provided With adjuetable nuts or collars. and -17- located. rre-epee t1vely,' Some distance below and some dis .tance above the. cross bar -1 A coll spring .-#18- Surroi'lnds the upper portion of the 'plunger stein -13- and has .its lower endA resting' upon the cross bar -lfand its upper end engaged with the. under side of the collar H17 to yieldingly hold -theplunger and4 its male dies in a non mally elevated position with just Suiiicient olea-rancebetween the dies.l toallmv the passage of the paper therethrough.

Another coil 'spring 19- :somewhat heavierand. stiffer than Athe spring 13W surrounds the, intermediate portion of the Stern and-has oneendbearing against the under side of the cross bar -15-.and ite othe'rend engaged lWith the collar -lG-- tov yieldingly hold. Ithe plungeragainet undue upward movement-.the two springs coaeting to hold the plunger in the normal position previously referred to.

The interior of the main body of the plunger is C hambered at to receive a revolving Cain -.-2lwhich Secured to a. c'rossehaft the latterbeing journaled in opposite sides of the housing -ifl-m.

This Crossshaft and its Cain are driven continuously .in the direction indicated b v Arron' X--. Fig. 2, by lneans a lengthwise `eountershaft .and int'ernieshing bevel ,gears connecting said hafts, said eountersha ft .being journaled' instationary upright brackets -2 on the I nain 4sup- )ortino frame -1-- and derivin its motion from another Counter shaft through the medium of a tram ot lntermeshi'ng gears.

Rotary motion is imparted 'to4 the coun-' l engages a hardened bearing face or ledge' -jBO-wat the upper side of the Chamber- 20w of the plunger,fthe1eby elevating Said plunger againet the; action 4of* the istily ref. ,treating .springe-.1.9- until,l the heel there of passes beyond Said ledge w l1ereupon theA f his s11tder i tlonnnard einer by wehen stung" 'i' less instantaneous 'compression fof placed by an'thr portion of the'strip A as said stri 1s advanced ini af manner. prestlvdescried.

l le paperflrn which theb'lanks arei to' terme-'1,18PlQCedgIn-'the l forni oa roll. upon ka reel haring" a guide H ange .;--314-5!` i Figs. 1 andV 7, and neend thereofrii's: drawn lT29 f pair of inea-hanicallyf` `operate-tl feeding roll stan'tially thesiunedioizontal planei as eured toa -maiidrel having one end' jaarnalednxa" brackets the main 'l supliorting. frame l-.and its otherrend4 entender] through the opposite guide plates dit thereelj-,and'tenus the supporting core l 'for the'paper roll.

The outer end plate or flange, as

fof tlie reel" is` preferably'removable to al-g lowthjepaper rolls-2te 'be removed and receden-the inandreh and Aor 'this purpose the corresponding.' end of the mandrel i. i de tubular for receiving a remo\'able on --B'et"''-"-"ha1ving an annu'lar-sl'loulder @aan being 4rlocked to #the mandrel al-f 'by lmeans of einen 1 redheads-frana and the adj acent, face -is compressed--Y a coil@-V frame, 4as shown more clearly in Figs.A I and 2. 4

ff The bed alon r and upon which the "'fp'aper strip andfblan s are adapted tp be f "ffeclf's "provided with supplemental Vuide Sli-.causes l plates and A5-,preferably fothin sheet lmeta-l, having'their'mainbodies lspaced slightly' apart from the upper face of the flied plate e5-,- sufficient to allow the paper toy pass therethrough, the ends of said supple-mental plates facing the? feed rollers and V-'33-- being deliected upwardly Vto allow the paper to readily enter between 'themand theupper face of the bed For a similar reason, the' upper face of the portion lof the female die plate -12`- opposite the, lower :shearing member T10-- is alsoinclined downwardly, thereby. assuring the entranceof the forward end of the sheet between the dies .9

severed from thel main l-rAn'other 'set offeed rollers and aremounted in the main supporting frame someldistl'iurceto therear of the; dies forgwithdrawing the; blanks therefrom and a yinding rollen at therearthereo'f, as will be hereinafter more fully desc-ribed.- l

These` rollers' 4G- and -.-l7- are mounted in ysuitable bearings which `are j guidedain upright brackets` v50-fren, the

-fmainsupporting frame ^-1- .f thel'r'oller Lbeing mounted directly 'upony and secured to the mamdriving shaft @-272-V andV is -somewhatlarger than the front feeding roller --32-` so as t0 feed the'blanksgaway from the dies at a speed slightly'fasterthan that at which the strip is fed to the'dies the object of Whielr is to avoid any 'possibility of congestionor in ntact by a screw The roller 'T-ltis pressed into with the upper 'surface of theblanks Between the rearend ofthe dies -locat'eda guide plate-51- sinlllnto plates- 44;- and -45--5 except be raise .'forreiving any. imperfect blanks which may have ,wisefslotl-@f yfer receivingthe straight ndpfi-thegblank as the latter is fed` thereto h @nd-4T lafter the blank and rear feeding rollers.-f-l:6--, V ain saV terference of theblanks ,with the -orward n iovement of t he f `trip.

vrui

dril' an the. 13

of .the blank, whil'ethe diameter of the wind yand the completed tube removed from the Winding roller While the next succeedingr blank is 'being formed anddelivered by the Afeed rollers -w'lw and M457u to the wind ing roller ready for a repetition" of the lastnamed winding, looking and removingjoperations just previously described.

The advance end' of the blank fi/.V after leaving the .rollers wie@ and #e7-- is fed thereby between forwardly f aonverging plates Fig. 2, said plates serving to deflect the advancing end of the blank up wardly in a plane slightly above that of the axis of the roller JLB-m and to more positively assure the entrance of said advancing end into the slot -53-, the guide plates -55- being located between vand in close proximity to the. adjacent faces of tliefeed'- rollers L -l-f and 1l7-- and Wind-ing roller 48 In orderjto further facilitate the .entrance of 'the advancing' endof 'the blank into the plates -ifaare adjustable both 'vertically porting studs --5G--- which. also serve as means. for clamping said plates to a station ary bracket 57-1on the main supporting frame -'-1- to hold the gnideplates in theiradjiusted position. y

The. .distance between the front-face of the Winding roller '--lSwfajnd sheari11g'-blades 10f of the gilides determines the length ing rollerdetermines thedi'ameternnd ninnber of turns of the tubular core. 415-..

The distance 'between the enlarged portion of the recess --a-;I-' and. 'corresponding vpor-, tion'ofthe tongue --a of theblank 'is sil-b stantiallyeqnal to the external ldiurni-:ter'of4 the core when rolled upon the winding roller --48- as 'tov cause those .parts to register with each other' for automatic. .interlocking engagement preparatory to removing 4the tub'ula'rcore-from the winding rol-ler'in .a

The speed of rotat'on of the "windin roller is, therefore, synchronized with tha f of the cuttingfoperation of the dies-to. produce the desired 'numberof turns and interlocking enffagement referred to, and inorder that the blank may be tightly wound upon onr on'eendV of a rock shaft -GD- which in. tnrn' 1s supported in fa. suitableL, `bracket `-61-` yon the main supporting ing one end engaged ma 1n said collar and its otherend secured to .al -reclprocatory rod --68'--.wlnch 1sguided frame --l-, as shown more clearly in Figs l, 2 and 3.

The opposite ond of the rock shaft --0-- is provided with a relativelyilong curved crank arm 62 carrying at its free end a roller n--63- which bears upon the periph ery of a revolving cani 6l-m, 'the .letter being` secured to one end of the cmlntersha'ft. -2.3-. These cams 4.21mand -(4,--aw

so arranged, and timed that immediately fel- 'lowing the 'cutting of the blank by the o ration of the cam m21 when the Win ing -'roller W48#- begns to Windthe blank there"- on.y the presser roll -58'-- '-Will' be forced into vpressing -efmctgioii with. said. winding roller to cause the blank to be tightly wound on said. winding roll until the tongue Vv0iregistered with the enlarged portion ci" the opening -a of the tribe, whereupon the pressure of the roll upon 'the .tube .is instantly released by a retracting: spring Gd-. Fig. 2, to allow the. completions of the tube to expand. snliicient-ly under its own tension tocanse the desired interloeltingcmi nection-.betweenthe shoulders of 'the tongue 4l-5"- and corresponding Walls of the .pen-V ing --4z--, as shown in Fig. 11.

'llhile the paper web beine` fed for Wardlyv by the rollers` -32- andV 33.- to

the delivery rollers -i6-- and *mr preparatoryv to cutting vthe next succeeding;-

ing roller ---4.8- by means 0i" a stripping; collar 456- Which is-movable axially of and upon the periphery oftlienindng relier u#4&1 Fig. 1e "f The means for reciproca-thm the Stripping collar 5G65- colnprises an 1 --(li"- liar annular groove carrying-a -pivot'edmember -fh- 'havlng telescopic connection with one end oi -a'horizontally movable rock arm T2-f which is journaled in' an upright post- -7.. on the main; supporti-ng frame or `hed-`1- and 'has its opposite end provided wit-bia roller' enea-adapted to be engaged by a cam -f-''- on the inner face of the gear direction against 'the action of the ret'racting 'spring -fe-tminstantly forcethe tubular .If cores ofdiferent diameters are to be made 1n the same machine,-` it 1s of .course necessary to change theidistanfce-of theopen- -ingM-.ear- `for receiring theftongne ut-,

and-for this purpose. 'the dies! S- `nre made adjustable longitudinally of and .upon

Ipo

y i their espectivesupporting platesytheiid- Fjustment of both dies beingetlected throughl the medium- [of` a Asingle jatiljustin'g4 screw V. .L'Sthby loweringthe pllmgm' '913;- S0

that itsfmale die -8 enters. the opening fin fthe corresponding female die when the material for forming the jblanks is dis` placed from between the dies, it beingum derstood that the recess in which each of the dies is seated is elongated, to permit said screw may be used forbringing the male 'n die int-o proper registration with its female i winding operation. 25- i i The "web dle.

heel ofthe cam leaves the ledge -30--, the

` tension of the spring e-19- instantly forces the. plunger downwardly intoY cutting cooperation .With the underlying female dies] to" properly form the blank. and sever the same from the main body ofthe web.

`Immediate]y following this cutting oper-` a`tion. during which the action of the high tension Spring -l9- has placed the lighter spring w48?'- under tension,- the lighter Vilspring instantly raises theplunger to its normal position without seriously interrupt- 'fingithe feed ofthe web;

f the are blank cui, from are. ai ie 'advanced 'through the machine enough.

to be caught 'by the rear feeding .rollers "sgi-eater end of the blank into registration with thc 'slot-'53- inthe winding roller 4S- 2 it bein "understood that the speed of rotatlon ilaegetv Iis"autoinnatically interlocked in the :opening` i-lap-, aftenwhich' tube is in stan'tlyforced endwise from the 'windingV iiollel; ljto permit a repetition of the opt-,ration uponfthe -next 'succeeding blank Without in terrup'tion in the :feed of the web or blanke through the machine.

` The operation brieflyT described is asv 'fols il" 4 V Ecoacting'sets oi dies for Aforming the blanks', u Y 4ck@` is fed 4continuously be-V tween the'coactingl sets of dies by means of' i therollers '-32-- and w33@l during which means for continuously' feeding a papeirweb between-v the dies, means for operating the ousniorement of the web, af` winding roller for engaging the advance end of the blank and Winding said' blank thereon While the #web being ted to the dies, means foifeedr ing said blank fromfthe diesto the winding roller, said dies being provided with 'means tor producing interlockable members, and means cooperating with thefwinding roller torfeausing said members to automatically interlock with eachother at the end of Said 2; In amachine for making paper tubes,

nfiea-ns for continuously feeding a paper web between the dies, means for operating .the dies to cut the blank dui-'ing such continu ous movement of tlieweb, a winding rollerfor engaging the advance end of the blank and Winding: said blank thereon while tlie web is beingfed to the dies, means-for feeding said blank from the dies to. the Winding roller7 said dies being provided with means for producing interlockable members, means l-oijperating with the Windingcroller for causing saidinembers to, automatically interlock with each other at the end of said winding operation, and mechanical means' for removing `the completed tube endwisel 'from its winding roller. i

3.4111 a machine for making -paper tubes, the 'combination of coacting dies for cutting thetube blanks, saiddiesliaving means for euttingl a T -sliape tongue on one endl of the blankl vand additional means for cuttingl the opening so that at least.

AAs ,soon 'as the adrance end of theblank is caught in the spot h-532--, the entire blankl ra idly Wound upontlie periphery plrthe win ing roller-48- and 'its tongue v thanth-at 'of thejinitial fetaliiigrollL -a T-sliape opening in thelibody of theblank"v a1 distance from 'the tongue corresponding approxin'iately to the external circumference dies to cut the blank during such continuof the tube, l'means for feedil 'a pap'erfweb between the dies, -means for c osing the dies upon the web `with a :quick impulsive niotion, means for w ithdraiving the blank fromthe dies, ymeans forgripping the advancing end of the blank and windin it in cylindrical form, means cooperating with. the winding rollerl for exerting pressure upon the paper while being Wound" upon said i roller'to cause the tongueto register with `its ,opening and for 'elievingsaid pressure at theV time ofsaid registration whereby the tendency of 'the tube t-'o expand causes the tongue to interlock withthewalls ottV 4the laoI alf. ln a n'mcliine for making' paper tubes,

the mn'ibii'mtion of eoucting,r dies for cutting) the tube. blunkris, Suid dies having .inea-ns for uiting u 'V-Sliupe longue on one end of the blank unil m'lditionnl ineens for .euttiufrv :1. T-islmpe fun-ning in l'be body of the blau t n, distante 'from the tongue (iroireepondlng up {Ji-fixinmtelg; to the external. cireun'i'fei'ence of the tube., menne 'for feeding ii. papel' web betrweei'i. tbe Clie-S, means for closing tbe tlioe upon. the web witlina quick impulsive xno tion, menne for 'witliclrmvng a blank from the dieet..

..5 the blank and winding 'it in eyliuil form, ineens cooperating; with the vf-'iizu'iing .loller for exerting pressure upon elle we while being Wtnintl. upon enicl o f-xi le to registei' with raining ving Seidl pi'eselu'e :il the tbn@ ot leid regietrzfition Wliereliy the. tei'nieney of the. 'tube to eilpnntl een.' the tongue to inteilook with the Walls of the -ring, :intl nieel'iunienl means operating ionirnn with lille :feeding .means to ren-lose the. 'eou'ipletefl tube e'ntlwise 4frein the Winding .toller -in'nnediuteiy following tlie interlock of the tongue with its opening,

` .In e. machine for making paper tubes, cooperative dies :for forming .tbe flut. blanks .tot tbe tubes, a plunger-support@foi-nue setof diee, ineens including; opposed Springs of ,spring ot' greater power has beenplaced untlei.' increased tension to allow Suid high tension 'spring-to -eloee theV plunger with a. quick impulsive' motion and to sin'iultuneously increase .the tension of the lighter spring sufiieently to return the plunger to its normal. position., a. Winding roller having means for engaging the. advancing end of ineensI for gripping the. advancing.

the blank and Winding Said-blank thereon., :11nd ineens-for feeding the blank from the clieS to Suid windingy roller.

6. In n. .machine for n'mkiug paper tubeS,

'oopeiutive (flies for .forming the flut blanks .lknf l'lie. tubes, uplungen-Support fol' one set ol' dieu, ineen;` inol'luliug opposed springs o' dille-Vent power 'ntnnisilly l'iolifliug the plungei-eu] ort .in u position to Separate its set. ol" (lies tl'ioin t'l'iose o'l 'tlie other Set to allow the papel.' web 'to be. fed between 'the dies, menus for ojiiening libe plunger' und thereby inerewnig the tension oi" t-lie Spring olf gi'leutest j .iowel :1nd simult-uneouely reducing the tension of the spring of lesser power, Said pluligar-openiiig means: being iulu'ptei'l to suddenly 'rele a euii'l Support. lifter the spring ol' gre-.oleipower luie l'ieen plaineunder 'loeieueer-l teinsion lo allow Suid. lngl'; tension. spring to eloee the gilunger with.' ai quick ipUlSiv-e ino-tion und to siinulliani' 7eously increase the tension of llie iglitoi.' spring el'iiiil'fientlry to return the pli to it-Immune] position, :i winding roller linx-'ing ine-ane for engaging the advancing end of tbe blank and Winding Seid blau-ik thereon, means for feeding the blank from the dies to Suid. Winding roller, and meehanieel means Syneliroi'iizetl with. the i'novernent of the plungerfopening ineens for removing' the tubev fiom the winding roller following euen blankeoutting operation.

`7'. In e machine for making peper tubes of the character described, tbe ooinbiiiiution of mechanism for forming :i blank for tile tube, Seial -nieebaniein including cooperative. dies .for forming :i looking nien'ibe'r'unil edilitioi'ml (cooperative (lies for forming in open ing to' receive Suid nieuiber, anal. means for adiusting one set of (flies toward and from the. other set to conform to. tubes of Clilfelent diameters. Y

In Witness;l Wbereof'l have -hereunto set' my hanfl this 20th clay of November, 1,91?.

JESSE A. .BLANN Witneeses H. E. CHASE,

ALICE M. CANNON. 

